package com.sky.controller.admin;

import com.sky.dto.DishDTO;
import com.sky.dto.DishPageQueryDTO;
import com.sky.entity.Category;
import com.sky.entity.Dish;
import com.sky.result.PageResult;
import com.sky.result.Result;
import com.sky.service.DishService;
import com.sky.vo.DishVO;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import io.swagger.models.auth.In;
import lombok.extern.slf4j.Slf4j;
import org.apache.ibatis.annotations.Delete;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.web.bind.annotation.*;

import java.util.List;
import java.util.Set;


@RestController
@RequestMapping("/admin/dish")
@Api(tags = "菜品相关接口")
@Slf4j
public class DishController {
    @Autowired
    private DishService dishService;
    @Autowired
    private RedisTemplate redisTemplate;
    /**
     * 新增菜品（优化）
     * @param dishDTO
     * @return
     */
    @PostMapping
    @ApiOperation("新增菜品")
    public Result save(@RequestBody DishDTO dishDTO){
        dishService.saveWithFlavor(dishDTO);
        //优化：清理缓存数据
        String key = "dish_" +dishDTO.getCategoryId();//获取key
        cleanCache(key);//清理缓存
        return Result.success();
    }

    /**
     * 菜品分页查询
     * @param dishPageQueryDTO
     * @return
     */
    @GetMapping("/page")
    @ApiOperation("菜品分页查询")
    public Result<PageResult> pageQuery(DishPageQueryDTO dishPageQueryDTO){
        log.info("菜品分页查询:{}", dishPageQueryDTO);
        PageResult pageResult = dishService.pageQuery(dishPageQueryDTO);
        return Result.success(pageResult);
    }

    /**
     * 菜品删除(优化)
     * @param ids
     * @return
     */
    @DeleteMapping
    @ApiOperation("菜品删除")//RequestBody用于接收查询串中的对应参数
    public Result delete(@RequestParam List<Long> ids){
        log.info("菜品删除:{}", ids);
        dishService.deleteBatch(ids);
        //将所有缓存数据清理（dish_*开头的key）
        cleanCache("dish_*");
        return Result.success();
    }


    /**
     *起售停售（优化）
     */
    @PostMapping("/status/{status}")
    @ApiOperation("启售停售")
    public Result saleOrNoSale(@PathVariable Integer status, Long id){
        log.info("起售禁售员工账号:{} {}",status,id);
        dishService.saleOrNoSale(status,id);
        //将所有缓存数据清理（dish_*开头的key）
        cleanCache("dish_*");
        return Result.success();
    }

    /**
     * 根据id查询-----修改回显
     * @param id
     * @return
     */
    @GetMapping("/{id}")
    @ApiOperation("根据id进行查询菜品")
    public Result<DishVO> getById(@PathVariable Long id){
        log.info("根据id进行查询:{}",id);
        DishVO dishVO = dishService.getByIdWithFlavor(id);
        return Result.success(dishVO);
    }


    /**
     * 修改菜品（优化）
     * @param dishDTO
     * @return
     */
    @PutMapping
    @ApiOperation("修改菜品")
    public Result update(@RequestBody DishDTO dishDTO){
        log.info("修改菜品:{}",dishDTO);
        dishService.updateWithFlavor(dishDTO);
        cleanCache("dish_*");//清理所有dish_*开头的key
        return Result.success();
    }

    /**
     * 套餐中查询菜品
     * @param categoryId
     * @return
     */
    @GetMapping("/list")
    @ApiOperation("根据分类id 查询菜品： 套餐菜品显示")
    public Result<List<Dish>> list(Long categoryId){
        log.info("根据分类id 查询菜品:{}",categoryId);
        List<Dish> list = dishService.list(categoryId);
        return Result.success(list);
    }

    /**
     * 缓存逻辑
     * @param pattern
     */
    private void cleanCache(String pattern){
        Set keys = redisTemplate.keys(pattern);//（保证数据库与redis中的数据一致）
        redisTemplate.delete(keys);
    }
}